Akari.Provider.WaveshareUART/Views/NewUserDialog.cs

using NStack;
using Terminal.Gui;

namespace Akari.Provider.WaveshareUART.Views
{
    public class NewUserDialog : Dialog
    {
        private bool _success;

        private TextField _nameEntry;
        private TextField _tokenEntry;

        public NewUserDialog() : base("New User", 60, 8)
        {
            ColorScheme = Colors.ColorSchemes["Menu"];
        }

        public bool TryShow(out ustring name, out ustring token)
        {
            _success = false;

            var nameLabel = new Label("Name:  ")
            {
                X = 1,
                Y = 2
            };
            _nameEntry = new TextField("")
            {
                X = Pos.Right(nameLabel),
                Y = Pos.Top(nameLabel),
                Width = Dim.Fill() - 1,
                Height = 1
            };

            var tokenLabel = new Label("Token: ")
            {
                X = 1,
                Y = 3
            };
            _tokenEntry = new TextField("")
            {
                X = Pos.Right(tokenLabel),
                Y = Pos.Top(tokenLabel),
                Width = Dim.Fill() - 1,
                Height = 1
            };

            var cancelButton = new Button("_Cancel")
            {
                X = Pos.Percent(82),
                Y = Pos.Percent(95)
            };
            cancelButton.Clicked += () => Application.RequestStop();

            var okButton = new Button("_Ok")
            {
                X = Pos.Percent(70),
                Y = Pos.Percent(95)
            };
            okButton.Clicked += () => CheckInput();

            Add(nameLabel, _nameEntry, tokenLabel, _tokenEntry, okButton, cancelButton);

            _nameEntry.SetFocus();

            Application.Run(this);

            if (_success)
            {
                name = _nameEntry.Text;
                token = _tokenEntry.Text;

                return true;
            }

            name = default;
            token = default;

            return false;
        }

        private void CheckInput()
        {
            if (!string.IsNullOrWhiteSpace(_nameEntry.Text.ToString()) && !string.IsNullOrWhiteSpace(_tokenEntry.Text.ToString()))
            {
                _success = true;

                Application.RequestStop();
            }
            else
            {
                MessageBox.ErrorQuery("New User", "Name and Token can't be empty", "Ok");
            }
        }
    }
}